2
Specifications are subject to change without notice
EM4-DINDS1003
EM4-DIN
2000 VRMS output to
supply input
Digital outputs (on request)
AO2900 module
To be used as energy
retransmission, water and
gas, remote static outputs
and alarm. Three working
modes are selectable:
• two pulse outputs
(kWh and kvarh);
• one alarm output (kW
dmd) and one pulse
output (kWh or kvarh);
• one output remotely con-
trolled by means of the
serial port and one pulse
output (kWh or kvarh)
Pulse outputs
Number of outputs
2
Number of pulses
From 0.01 to 100 pulses
programmable according to
the selected CT and VT ratios
Output type
Open collector (NPN transistor )
VON 1.2 VDC / max. 100 mA
RS422/RS485 (on request)
AR2950 module
Type
Multidrop
bidirectional (static
and dynamic variables)
Connections
2 or 4 wires, max. distance
1200m, termination directly
on the module
Addresses
255, selectable by key-pad
Protocol
MODBUS/JBUS
Data (bidirectional)
Dynamic (reading only)
Phase and system variables:
see table “Display pages”
Static (writing only )
All the programming data,
reset of energy, activation of
static output.
Stored energy (EEPROM)
max. 99.999.999 kWh/kvarh
Data format
1 start bit, 8 data bit,
no parity, 1 stop bit
Baud-rate
9600 bit/s
Insulation
By means of optocouplers,
2000 VRMS output
to measuring inputs
Number of inputs
Current
3
Voltage
4
Accuracy (display, RS485)
Ib: 5A, Imax: 10A
Ib: 20A, Imax:90A
Un: see “Range code” on
previous page
Current
from 0.003Ib to 0.2Ib:
±(0.5%RDG +3DGT)
from 0.2Ib to Imax:
±(0.5%RDG +1DGT)
Voltage
in the range Un:
±(0,5% RDG + 1DGT)
Frequency
±0.1% RDG (50 to 60 Hz)
Active power
(@ 25°C ± 5°C, R.H.
≤ 90%)
±(1% RDG +1DGT). PF 1,
0.1Ib to Imax, in the Un range;
PF 0.5L, PF 0.8C, 0.2Ib to
Imax, in the Un range
Energies
(@ 25°C ± 5°C, R.H.
≤ 90%)
Class 1 acc. to EN61036
Class 2 acc. to EN61268
Ib: 5A, Imax: 10A
0.1Ib: 500mA,
Start up current: 20mA
Un: see table “range code”
Ib: 20A, Imax: 90A
0.1Ib: 2A,
Start up current: 80mA
Un: see table “range code”
Additional errors
Acc. to EN61036, EN61268
Wave form
<1% (3rd harmonic: 10%)
Voltage asymmetry
< 0.5% (referred to Un)
Magnetic induction
0 (up to 0.5 mT)
HF Electromagnetic fields
< 1%
Operation of accessories
0
Temperature drift
≤ 200ppm/°C
Sampling rate
1000 samplings/s @ 50Hz
Display
Type
Back-lighted LCD
Instantan. variables read-out
31/2 DGT
Energies
Total: 8 DGT + 71/2 DGT;
Partial: 8 DGT + 71/2 DGT;
Max. and Min. indication
Max. 1999 (99999999), Min. 0
Measurements
Power, energy.
TRMS measurements of
distorted wave forms.
Coupling type
Direct
Crest factor
Ib 5A
≤3 (15A max. peak)
Ib 20A
≤6 (127A max. peak)
Current overload
5(10) A, for 10ms
300A max, @ 50Hz
5(10) A, for 500ms
200A max, @ 50Hz
5(10) A, permanent
10A, @ 50Hz
20(90) A, for 10ms
2700A max, @ 50Hz
20(90) A, permanent
90A, @ 50Hz
Voltage overload
Permanent
1.2 Un
For 1s
2 Un
Input impedance
400
VL-L
(AV1-AV5-AV9)
> 720K
Ω
208VL-L
(AV0-AV4-AV8-AV2)
> 720K
Ω
660VL-L
(AV3-AV7)
> 1.97M
Ω
100VL-L
(AV6)
> 400K
Ω
5(10) A (AV4-AV5-AV6-AV7)
< 0.3VA
20(90) A (AV0-AV1-AV3-AV8-AV9) < 4VA
20(90) A (AV2)
< 4VA
Frequency
50 to 60 Hz
Interface module specifications
Input specifications